/*
 * Batuta AI — brand tokens for DIAN Downloader Web
 * Source: https://github.com/jota-batuta/batuta-flow/blob/main/src/index.css (verified 2026-04-21)
 * The cobalto baton is load-bearing — never recolor, never apply gradients to the hand.
 */

:root {
  --nocturno: hsl(230 36% 9%);
  --noche-profunda: hsl(227 30% 13%);
  --hover-bg: hsl(229 36% 16%);
  --bruma-clara: hsl(225 36% 95%);
  --bruma: hsl(224 18% 71%);
  --bruma-terciaria: hsl(226 17% 50%);
  --grafito: hsl(228 23% 19%);
  --grafito-fuerte: hsl(226 21% 29%);
  --cobalto: hsl(232 100% 65%);
  --cobalto-glow: hsl(232 100% 70%);
  --cobalto-soft: hsl(232 100% 65% / 0.12);
  --esmeralda: hsl(158 64% 52%);
  --esmeralda-soft: hsl(158 64% 52% / 0.12);
  --terracota: hsl(16 56% 59%);
  --amber-warn: hsl(43 90% 58%);
  --amber-warn-soft: hsl(43 90% 58% / 0.12);
  --danger: hsl(0 75% 62%);
  --danger-soft: hsl(0 75% 62% / 0.12);
  --radius: 0.5rem;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: var(--font-sans);
  background: var(--nocturno);
  color: var(--bruma-clara);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--cobalto-soft);
  color: var(--bruma-clara);
}

a { color: var(--cobalto); text-decoration: none; }
a:hover { color: var(--cobalto-glow); }

/* ── Brand lockup (logo + wordmark) ───────────────────────── */
.bt-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--bruma-clara);
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: transform 0.15s ease;
}
.bt-brand:hover { color: var(--bruma-clara); }
.bt-brand img {
  width: 32px;
  height: 32px;
  transition: transform 0.15s ease;
}
.bt-brand:hover img { transform: translateY(-2px); }
.bt-brand .bt-brand-accent { color: var(--cobalto); }

/* ── Surfaces ─────────────────────────────────────────────── */
.bt-card {
  background: var(--noche-profunda);
  border: 1px solid var(--grafito);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  padding: 40px 36px;
  width: 100%;
}

.bt-header {
  background: hsl(230 36% 9% / 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--grafito);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 50;
}

/* ── Form primitives ──────────────────────────────────────── */
.bt-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bruma);
  margin-bottom: 8px;
  margin-top: 20px;
  letter-spacing: 0.01em;
}
.bt-label:first-child { margin-top: 0; }

.bt-input,
.bt-textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--nocturno);
  border: 1.5px solid var(--grafito);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--bruma-clara);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.bt-input::placeholder,
.bt-textarea::placeholder { color: var(--bruma-terciaria); }
.bt-input:focus,
.bt-textarea:focus {
  border-color: var(--cobalto);
  box-shadow: 0 0 0 3px var(--cobalto-soft);
}
.bt-input.input-error { border-color: var(--danger); }
.bt-textarea { resize: vertical; min-height: 72px; }

.bt-hint {
  font-size: 0.78rem;
  color: var(--bruma-terciaria);
  margin-top: 6px;
  line-height: 1.5;
}

/* ── Buttons ──────────────────────────────────────────────── */
.bt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.05s;
  text-decoration: none;
}
.bt-btn:active { transform: translateY(1px); }
.bt-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.bt-btn-primary {
  background: var(--cobalto);
  color: #fff;
  width: 100%;
  margin-top: 28px;
  padding: 13px;
  font-size: 1rem;
  font-weight: 700;
}
.bt-btn-primary:hover { background: var(--cobalto-glow); }

.bt-btn-success {
  background: var(--esmeralda);
  color: var(--nocturno);
  padding: 13px 36px;
  font-weight: 700;
}
.bt-btn-success:hover { filter: brightness(1.08); }

.bt-btn-ghost {
  background: transparent;
  border: 1.5px solid var(--grafito);
  color: var(--bruma);
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 500;
}
.bt-btn-ghost:hover {
  border-color: var(--cobalto);
  color: var(--cobalto);
}

/* ── Badges / chips ───────────────────────────────────────── */
.bt-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--cobalto-soft);
  color: var(--cobalto);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 99px;
  border: 1px solid var(--cobalto);
  letter-spacing: 0.01em;
}

/* ── Alerts ───────────────────────────────────────────────── */
.bt-alert-error {
  background: var(--danger-soft);
  border: 1px solid var(--danger);
  color: hsl(0 80% 78%);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.88rem;
  margin-top: 16px;
}

.bt-alert-warning {
  background: var(--amber-warn-soft);
  border: 1px solid var(--amber-warn);
  color: hsl(43 90% 75%);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.82rem;
}

/* ── Progress bar ─────────────────────────────────────────── */
.bt-progress-wrap {
  background: var(--grafito);
  border-radius: 99px;
  height: 10px;
  overflow: hidden;
}
.bt-progress-fill {
  background: linear-gradient(90deg, var(--cobalto), var(--cobalto-glow));
  height: 100%;
  width: 0%;
  border-radius: 99px;
  transition: width 0.4s ease;
}

/* ── Glow accents (optional, for auth cards) ──────────────── */
.bt-hero-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse at 50% 20%, hsl(232 100% 65% / 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, hsl(232 100% 65% / 0.05) 0%, transparent 40%);
}
.bt-above-glow { position: relative; z-index: 1; }

/* ── Utility ──────────────────────────────────────────────── */
.bt-center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 0;
}

.bt-footer-link {
  text-align: center;
  margin-top: 20px;
  font-size: 0.87rem;
  color: var(--bruma);
}
.bt-footer-link a { color: var(--cobalto); font-weight: 600; }
.bt-footer-link a:hover { color: var(--cobalto-glow); }

/* ═══════════════════════════════════════════════════════════
   Landing primitives — hero, pillars, steps, mockups, ecosystem
   (copy of batuta-flow/src/sections/home patterns, vanilla HTML+CSS)
   ═══════════════════════════════════════════════════════════ */

/* ── Sticky brand header for landing pages ────────────────── */
.bt-landing-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: hsl(230 36% 9% / 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--grafito);
  padding: 14px 24px;
}
.bt-landing-header-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* ── Section layout ───────────────────────────────────────── */
.bt-landing-section {
  max-width: 1040px;
  margin: 0 auto;
  padding: 72px 24px;
  position: relative;
  z-index: 1;
}
.bt-landing-section--tight { padding: 48px 24px; }
.bt-landing-section--divided {
  border-top: 1px solid var(--grafito);
}

.bt-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cobalto);
  margin-bottom: 14px;
}

.bt-heading-xl {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--bruma-clara);
  line-height: 1.1;
  margin-bottom: 18px;
}
.bt-heading-lg {
  font-size: clamp(1.5rem, 3.5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bruma-clara);
  line-height: 1.2;
  margin-bottom: 14px;
}
.bt-heading-md {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--bruma-clara);
  letter-spacing: -0.005em;
  margin-bottom: 10px;
}

.bt-lead {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--bruma);
  max-width: 640px;
}

.bt-kicker {
  font-size: 0.95rem;
  color: var(--cobalto-glow);
  font-weight: 500;
  margin-top: 12px;
}

/* ── Hero — two columns on desktop ────────────────────────── */
.bt-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 900px) {
  .bt-hero { grid-template-columns: 1.1fr 1fr; gap: 64px; }
}

.bt-metric-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0;
}
.bt-metric-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--noche-profunda);
  border: 1px solid var(--grafito);
  border-radius: 99px;
  padding: 8px 14px;
  font-size: 0.82rem;
  color: var(--bruma-clara);
  font-weight: 500;
}
.bt-metric-chip strong { color: var(--cobalto); font-weight: 700; }

.bt-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

/* ── Mockup window (shared across hero dashboard + step illustrations) ── */
.bt-mockup-window {
  background: var(--noche-profunda);
  border: 1px solid var(--grafito);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}
.bt-mockup-chrome {
  background: hsl(227 30% 10%);
  border-bottom: 1px solid var(--grafito);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--bruma-terciaria);
}
.bt-mockup-chrome-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}
.bt-mockup-chrome-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--grafito-fuerte);
}
.bt-mockup-chrome-title { flex-grow: 1; }
.bt-mockup-chrome-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--esmeralda);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.6rem;
}
.bt-mockup-chrome-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--esmeralda);
  animation: bt-pulse 2s ease-in-out infinite;
}
@keyframes bt-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
.bt-mockup-body { padding: 18px 20px; }

/* Generic form inside a mockup (used in DIAN portal mockup) */
.bt-mockup-form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.82rem;
  color: var(--bruma);
}
.bt-mockup-form-row label { min-width: 170px; color: var(--bruma-terciaria); }
.bt-mockup-form-row .bt-mockup-input {
  flex: 1;
  background: var(--nocturno);
  border: 1px solid var(--grafito);
  border-radius: 6px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--bruma-clara);
}
.bt-mockup-radio { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; color: var(--bruma); }
.bt-mockup-radio-dot {
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--grafito-fuerte);
  border-radius: 50%;
  position: relative;
}
.bt-mockup-radio-dot--active {
  border-color: var(--cobalto);
}
.bt-mockup-radio-dot--active::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--cobalto);
}
.bt-mockup-btn-primary {
  background: var(--cobalto);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 18px;
  font-weight: 600;
  font-size: 0.82rem;
  font-family: inherit;
  cursor: default;
}

/* ── Pillars / 4-questions grid ───────────────────────────── */
.bt-pillar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 720px) {
  .bt-pillar-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .bt-pillar-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .bt-pillar-grid--4 { grid-template-columns: repeat(4, 1fr); }
}
.bt-pillar {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bt-pillar-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--cobalto);
  letter-spacing: -0.02em;
  line-height: 1;
}
.bt-pillar-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--bruma-clara);
}
.bt-pillar-body {
  font-size: 0.92rem;
  color: var(--bruma);
  line-height: 1.65;
}
.bt-pillar-body strong { color: var(--bruma-clara); }
.bt-pillar-body em { color: var(--cobalto-glow); font-style: normal; font-weight: 500; }

/* ── Step card (for the 5-step guide on app.html) ─────────── */
.bt-step-grid {
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.bt-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}
@media (min-width: 900px) {
  .bt-step { grid-template-columns: 1fr 1.1fr; gap: 32px; }
  .bt-step--reverse .bt-step-copy { order: 2; }
  .bt-step--reverse .bt-step-visual { order: 1; }
}
.bt-step-copy { display: flex; flex-direction: column; gap: 10px; }
.bt-step-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--cobalto);
  line-height: 1;
  margin-bottom: 4px;
}
.bt-step-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--bruma-clara);
  letter-spacing: -0.01em;
}
.bt-step-body {
  font-size: 0.95rem;
  color: var(--bruma);
  line-height: 1.7;
}
.bt-step-body strong { color: var(--bruma-clara); font-weight: 600; }
.bt-step-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--grafito);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--bruma-clara);
}
.bt-step-visual { min-width: 0; }

/* ── Ecosystem cards grid ─────────────────────────────────── */
.bt-ecosystem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 720px) {
  .bt-ecosystem-grid { grid-template-columns: 1fr 1fr; }
}
.bt-ecosystem-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--noche-profunda);
  border: 1px solid var(--grafito);
  border-radius: 12px;
  padding: 28px 26px;
  transition: border-color 0.15s, transform 0.15s;
}
.bt-ecosystem-card:hover {
  border-color: var(--grafito-fuerte);
  transform: translateY(-2px);
}
.bt-ecosystem-card-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bruma-terciaria);
}
.bt-ecosystem-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bruma-clara);
}
.bt-ecosystem-card-body {
  font-size: 0.9rem;
  color: var(--bruma);
  line-height: 1.65;
  flex-grow: 1;
}
.bt-ecosystem-card-cta {
  color: var(--cobalto);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 8px;
}

/* ── Ambassador / share block ─────────────────────────────── */
.bt-share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.bt-share-toast {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--esmeralda);
  padding-left: 4px;
  opacity: 0;
  transition: opacity 0.2s;
}
.bt-share-toast--visible { opacity: 1; }

/* ── Contact CTA section ──────────────────────────────────── */
.bt-contact-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 18px;
  font-size: 0.95rem;
}
.bt-contact-channel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--bruma);
}
.bt-contact-channel strong { color: var(--bruma-clara); }
.bt-contact-channel a { color: var(--cobalto); font-weight: 500; }

/* ── Minimal footer ───────────────────────────────────────── */
.bt-footer-minimal {
  padding: 32px 24px;
  border-top: 1px solid var(--grafito);
  text-align: center;
  font-size: 0.82rem;
  color: var(--bruma-terciaria);
}
.bt-footer-minimal a {
  color: var(--bruma);
  text-decoration: none;
  margin: 0 8px;
}
.bt-footer-minimal a:hover { color: var(--cobalto); }

/* ── Select (for ERP dropdown in register) ────────────────── */
.bt-select {
  width: 100%;
  padding: 11px 14px;
  background: var(--nocturno);
  border: 1.5px solid var(--grafito);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--bruma-clara);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23A8B0C2' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.bt-select:focus {
  border-color: var(--cobalto);
  box-shadow: 0 0 0 3px var(--cobalto-soft);
}
.bt-select option { background: var(--nocturno); color: var(--bruma-clara); }

/* ── "Pasalo" block inside app.html (post-download) ───────── */
.bt-pasalo {
  background: linear-gradient(135deg, hsl(232 100% 65% / 0.08), hsl(232 100% 65% / 0.02));
  border: 1px solid var(--cobalto);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-top: 22px;
}
.bt-pasalo-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--bruma-clara);
  margin-bottom: 6px;
}
.bt-pasalo-body {
  font-size: 0.88rem;
  color: var(--bruma);
  line-height: 1.55;
}
.bt-pasalo-body strong { color: var(--cobalto-glow); }